Home / 10,955.40-16,434.03-4,715.58

Finding the Fourth Proportional to 10,955.40, 16,434.03 and 4,715.58

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Solution

The fourth proportional to 10,955.40, 16,434.03 and 4,715.58 is: 7,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.40 : 16,434.03 = 4,715.58 : x
  2. Step 2: Convert to fraction form
    10,955.40/16,434.03 = 4,715.58/x
  3. Step 3: Cross multiply
    10,955.40x = 16,434.03 × 4,715.58
  4. Step 4: Simplify right side
    10,955.40x = 77,495,983.19
  5. Step 5: Solve for x
    x = 77,495,983.19/10,955.40
  6. Step 6: Final answer
    x = 7,073.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.